[PATCH 3/3] cmdline: add section initsetup_calls to be able to discard them
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Thu Jan 27 08:02:23 EST 2011
so no need to use ifdef evenif you use enable modules support
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre at atmel.com>
Cc: Patrice Vilchez <patrice.vilchez at atmel.com>
---
arch/arm/lib/barebox.lds.S | 3 +++
arch/blackfin/boards/ipe337/barebox.lds.S | 3 +++
arch/ppc/boards/pcm030/barebox.lds.S | 3 +++
arch/sandbox/board/barebox.lds.S | 2 ++
arch/sandbox/lib/barebox.lds.S | 2 ++
arch/x86/lib/barebox.lds.S | 7 ++++++-
include/asm-generic/barebox.lds.h | 6 ++++++
include/init.h | 6 ++++++
8 files changed, 31 insertions(+), 1 deletions(-)
diff --git a/arch/arm/lib/barebox.lds.S b/arch/arm/lib/barebox.lds.S
index 72d1306..1dadf80 100644
--- a/arch/arm/lib/barebox.lds.S
+++ b/arch/arm/lib/barebox.lds.S
@@ -68,6 +68,9 @@ SECTIONS
.initsetup : { INIT_SETUP }
__setup_end = .;
+ . = ALIGN(4);
+ .initsetup_calls : { INIT_SETUP_CALL }
+
__barebox_initcalls_start = .;
.barebox_initcalls : { INITCALLS }
__barebox_initcalls_end = .;
diff --git a/arch/blackfin/boards/ipe337/barebox.lds.S b/arch/blackfin/boards/ipe337/barebox.lds.S
index f2787e8..2c6b87c 100644
--- a/arch/blackfin/boards/ipe337/barebox.lds.S
+++ b/arch/blackfin/boards/ipe337/barebox.lds.S
@@ -79,6 +79,9 @@ SECTIONS
.initsetup : { INIT_SETUP }
__setup_end = .;
+ . = ALIGN(4);
+ .initsetup_calls : { INIT_SETUP_CALL }
+
___usymtab_start = .;
__usymtab : { BAREBOX_SYMS }
___usymtab_end = .;
diff --git a/arch/ppc/boards/pcm030/barebox.lds.S b/arch/ppc/boards/pcm030/barebox.lds.S
index 4adf9fb..56bed84 100644
--- a/arch/ppc/boards/pcm030/barebox.lds.S
+++ b/arch/ppc/boards/pcm030/barebox.lds.S
@@ -107,6 +107,9 @@ SECTIONS
__barebox_initcalls_end = .;
__initcall_entries = (__barebox_initcalls_end - __barebox_initcalls_start) >> 2;
+ . = ALIGN(4);
+ .initsetup_calls : { INIT_SETUP_CALL }
+
__setup_start = .;
.initsetup : { INIT_SETUP }
__setup_end = .;
diff --git a/arch/sandbox/board/barebox.lds.S b/arch/sandbox/board/barebox.lds.S
index 7dae3e9..844d34d 100644
--- a/arch/sandbox/board/barebox.lds.S
+++ b/arch/sandbox/board/barebox.lds.S
@@ -79,6 +79,8 @@ SECTIONS
.initsetup : { INIT_SETUP }
__setup_end = .;
. = ALIGN(64);
+ .initsetup_calls : { INIT_SETUP_CALL }
+ . = ALIGN(64);
__barebox_cmd_start = .;
__barebox_cmd : { BAREBOX_CMDS }
__barebox_cmd_end = .;
diff --git a/arch/sandbox/lib/barebox.lds.S b/arch/sandbox/lib/barebox.lds.S
index 7dae3e9..844d34d 100644
--- a/arch/sandbox/lib/barebox.lds.S
+++ b/arch/sandbox/lib/barebox.lds.S
@@ -79,6 +79,8 @@ SECTIONS
.initsetup : { INIT_SETUP }
__setup_end = .;
. = ALIGN(64);
+ .initsetup_calls : { INIT_SETUP_CALL }
+ . = ALIGN(64);
__barebox_cmd_start = .;
__barebox_cmd : { BAREBOX_CMDS }
__barebox_cmd_end = .;
diff --git a/arch/x86/lib/barebox.lds.S b/arch/x86/lib/barebox.lds.S
index 1b275ad..2a7e39f 100644
--- a/arch/x86/lib/barebox.lds.S
+++ b/arch/x86/lib/barebox.lds.S
@@ -184,7 +184,12 @@ SECTIONS
. = ALIGN(4);
} > barebox
- .__usymtab : AT ( LOADADDR(.initsetup) + SIZEOF (.initsetup) ) {
+ .initsetup_calls : AT ( LOADADDR(.barebox_initcalls) + SIZEOF (.barebox_initcalls) ) {
+ . : { INIT_SETUP_CALL }
+ . = ALIGN(4);
+ } > barebox
+
+ .__usymtab : AT ( LOADADDR(.initsetup_calls) + SIZEOF (.initsetup_calls) ) {
__usymtab_start = .;
BAREBOX_SYMS
__usymtab_end = .;
diff --git a/include/asm-generic/barebox.lds.h b/include/asm-generic/barebox.lds.h
index 18eab31..d963453 100644
--- a/include/asm-generic/barebox.lds.h
+++ b/include/asm-generic/barebox.lds.h
@@ -7,7 +7,13 @@
#define PRE_IMAGE
#endif
+#ifdef CONFIG_BOOT_CMDLINE
#define INIT_SETUP KEEP(*(.init_setup))
+#define INIT_SETUP_CALL KEEP(*(.init_setup_call))
+#else
+#define INIT_SETUP
+#define INIT_SETUP_CALL
+#endif
#define INITCALLS \
KEEP(*(.initcall.0)) \
diff --git a/include/init.h b/include/init.h
index 53148fa..f832f24 100644
--- a/include/init.h
+++ b/include/init.h
@@ -46,6 +46,7 @@ typedef int (*initcall_t)(void);
#define __initconst __section(.rodata)
+#ifdef CONFIG_BOOT_CMDLINE
struct obs_kernel_param {
const char *str;
int (*setup_func)(char *);
@@ -72,6 +73,11 @@ struct obs_kernel_param {
extern int parse_args(const char *name,
char *args,
int (*unknown)(char *param, char *val));
+#define __setup_call __section(.init_setup_call)
+#else
+#define __setup_call __section(.init_setup_call) __maybe_unused
+#define __setup(str, fn)
+#endif
#endif
#endif /* _INIT_H */
--
1.7.2.3
More information about the barebox
mailing list